Battery charger



FIG. 1 is a top perspective view of a design for a battery charger of the present invention;

FIG. 2 is a front side view thereof;

FIG. 3 is a back side view thereof;

FIG. 4 is a right view thereof;

FIG. 5 is a left view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is a bottom perspective view thereof;

FIG. 9 is a top perspective view of another design for a battery charger of the present invention shown in the open position;

FIG. 10 is a front side view of the battery charger shown in the open position;

FIG. 11 is a back side view of the battery charger shown in the open position;

FIG. 12 is a right view of the battery charger shown in the open position;

FIG. 13 is a left view of the battery charger shown in the open position;

FIG. 14 is a top view of the battery charger shown in the open position;

FIG. 15 is a bottom view of the battery charger shown in the open position; and,

FIG. 16 is a bottom perspective view of the battery charger shown in the open position.

The broken lines shown in the drawings are included for the purpose of illustrating environmental structure and form no part of the claimed design. 

CLAIM The ornamental design for a battery charger, as shown and described above. 